package com.ruoyi.common.log.aspect;

import cn.hutool.core.collection.CollectionUtil;
import com.alibaba.fastjson2.JSON;
import com.ruoyi.common.core.constant.CacheConstants;
import com.ruoyi.common.core.context.ThirdSessionHolder;
import com.ruoyi.common.core.utils.ServletUtils;
import com.ruoyi.common.core.utils.StringUtils;
import com.ruoyi.common.core.utils.ip.IpUtils;
import com.ruoyi.common.log.enums.BusinessStatus;
import com.ruoyi.common.log.filter.PropertyPreExcludeFilter;
import com.ruoyi.common.log.service.AsyncLogService;
import com.ruoyi.common.redis.service.RedisService;
import com.ruoyi.common.security.utils.SecurityUtils;
import com.ruoyi.system.api.domain.SysOperApiLog;
import com.ruoyi.system.api.domain.SysOperUrl;
import org.apache.commons.lang3.ArrayUtils;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.NamedThreadLocal;
import org.springframework.http.HttpMethod;
import org.springframework.stereotype.Component;
import org.springframework.validation.BindingResult;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.Objects;

/**
 * 自定义操作日志记录处理
 * @author lcj
 * @date 2025-05-16
 */
@Aspect
@Component
public class CustomLogAspect
{
    private static final Logger log = LoggerFactory.getLogger(CustomLogAspect.class);

    /** 排除敏感属性字段 */
    public static final String[] EXCLUDE_PROPERTIES = { "password", "oldPassword", "newPassword", "confirmPassword" };

    /** 计算操作消耗时间 */
    private static final ThreadLocal<Long> TIME_THREADLOCAL = new NamedThreadLocal<>("Cost Time");

    @Autowired
    private AsyncLogService asyncLogService;

    @Autowired
    private RedisService redisService;


    // 定义切点，匹配所有RestController层的方法
    @Pointcut("@within(org.springframework.web.bind.annotation.RestController)")
    public void controllerMethods() {
    }

    /**
     * 处理请求前执行
     */
    @Before(value = "controllerMethods()")
    public void boBefore(JoinPoint joinPoint)
    {
        TIME_THREADLOCAL.set(System.currentTimeMillis());
    }

    /**
     * 处理完请求后执行
     *
     * @param joinPoint 切点
     */
    @AfterReturning(pointcut = "controllerMethods()", returning = "jsonResult")
    public void doAfterReturning(JoinPoint joinPoint, Object jsonResult)
    {
        handleLog(joinPoint, null, jsonResult);
    }

    /**
     * 拦截异常操作
     *
     * @param joinPoint 切点
     * @param e 异常
     */
    @AfterThrowing(value = "controllerMethods()", throwing = "e")
    public void doAfterThrowing(JoinPoint joinPoint, Exception e)
    {
        handleLog(joinPoint, e, null);
    }

    protected void handleLog(final JoinPoint joinPoint, final Exception e, Object jsonResult)
    {
        try {
            //请求地址
            String operUrl=StringUtils.substring(ServletUtils.getRequest().getRequestURI(), 0, 255);
            //查询缓存信息
            SysOperUrl sysOperUrl =redisService.getCacheObject(CacheConstants.LOG_CONFIG+operUrl);
            //是否记录日志
            if (Objects.nonNull(sysOperUrl)) {
                // *========数据库日志=========*//
                SysOperApiLog operLog = new SysOperApiLog();
                operLog.setStatus(BusinessStatus.SUCCESS.ordinal());
                // 请求的地址
                String ip = IpUtils.getIpAddr();
                operLog.setOperIp(ip);
                operLog.setOperUrl(operUrl);
                if (sysOperUrl.getOperatorType()==0){//后台
                    operLog.setOperName(SecurityUtils.getUsername());
                    operLog.setUserId(SecurityUtils.getUserId().toString());
                } else if (sysOperUrl.getOperatorType()==1) {//教师端
                    operLog.setUserId(ThirdSessionHolder.getThirdSession().getId());
                    operLog.setOperName(ThirdSessionHolder.getThirdSession().getTeacherName());
                    operLog.setMobile(ThirdSessionHolder.getThirdSession().getMobile());
                    operLog.setSchoolId(ThirdSessionHolder.getThirdSession().getSchoolId());
                } else if (sysOperUrl.getOperatorType()==2) {//学生端
                    operLog.setUserId(ThirdSessionHolder.getThirdSession().getId());
                    operLog.setOperName(ThirdSessionHolder.getThirdSession().getStudentName());
                    operLog.setMobile(ThirdSessionHolder.getThirdSession().getMobile());
                    operLog.setSchoolId(ThirdSessionHolder.getThirdSession().getSchoolId());
                }
                //设置配置id
                operLog.setConfigId(sysOperUrl.getId());
                if (e != null) {
                    operLog.setStatus(BusinessStatus.FAIL.ordinal());
                    operLog.setErrorMsg(StringUtils.substring(e.getMessage(), 0, 2000));
                }
                // 设置方法名称
                String className = joinPoint.getTarget().getClass().getName();
                String methodName = joinPoint.getSignature().getName();
                operLog.setMethod(className + "." + methodName + "()");
                // 设置请求方式
                operLog.setRequestMethod(ServletUtils.getRequest().getMethod());
                // 处理设置注解上的参数
                getControllerMethodDescription(joinPoint,sysOperUrl, operLog, jsonResult);
                // 设置消耗时间
                operLog.setCostTime(System.currentTimeMillis() - TIME_THREADLOCAL.get());
                // 保存数据库
                asyncLogService.saveCustomSysLog(operLog);
            }
        }
        catch (Exception exp)
        {
            // 记录本地异常日志
            log.error("异常信息:{}", exp.getMessage());
            exp.printStackTrace();
        }
        finally
        {
            TIME_THREADLOCAL.remove();
        }
    }

    /**
     * 获取注解中对方法的描述信息 用于Controller层注解
     *
     * @param sysOperUrl 日志
     * @param operLog 操作日志
     * @throws Exception
     */
    public void getControllerMethodDescription(JoinPoint joinPoint,SysOperUrl sysOperUrl, SysOperApiLog operLog, Object jsonResult) throws Exception
    {
        // 设置action动作
        operLog.setBusinessType(sysOperUrl.getBusinessType());
        // 设置标题
        operLog.setTitle(sysOperUrl.getApiName());
        // 设置操作人类别
        operLog.setOperatorType(sysOperUrl.getOperatorType());
        // 是否需要保存request，参数和值
        if (sysOperUrl.getIsReq()==1)
        {
            // 获取参数的信息，传入到数据库中。
            setRequestValue(joinPoint, operLog, null);
        }
        // 是否需要保存response，参数和值
        if (sysOperUrl.getIsRes()==1 && StringUtils.isNotNull(jsonResult))
        {
            operLog.setJsonResult(StringUtils.substring(JSON.toJSONString(jsonResult), 0, 2000));
        }
    }

    /**
     * 获取请求的参数，放到log中
     *
     * @param operLog 操作日志
     * @throws Exception 异常
     */
    private void setRequestValue(JoinPoint joinPoint, SysOperApiLog operLog, String[] excludeParamNames) throws Exception
    {
        Map<?, ?> paramsMap = ServletUtils.getParamMap(ServletUtils.getRequest());
        String requestMethod = operLog.getRequestMethod();
        if (StringUtils.isEmpty(paramsMap) && StringUtils.equalsAny(requestMethod, HttpMethod.PUT.name(), HttpMethod.POST.name(), HttpMethod.DELETE.name()))
        {
            String params = argsArrayToString(joinPoint.getArgs(), excludeParamNames);
            operLog.setOperParam(StringUtils.substring(params, 0, 10000));
        }
        else
        {
            operLog.setOperParam(StringUtils.substring(JSON.toJSONString(paramsMap, excludePropertyPreFilter(excludeParamNames)), 0, 2000));
        }
    }

    /**
     * 参数拼装
     */
    private String argsArrayToString(Object[] paramsArray, String[] excludeParamNames)
    {
        String params = "";
        if (paramsArray != null && paramsArray.length > 0)
        {
            for (Object o : paramsArray)
            {
                if (StringUtils.isNotNull(o) && !isFilterObject(o))
                {
                    try
                    {
                        String jsonObj = JSON.toJSONString(o, excludePropertyPreFilter(excludeParamNames));
                        params += jsonObj.toString() + " ";
                    }
                    catch (Exception e)
                    {
                    }
                }
            }
        }
        return params.trim();
    }

    /**
     * 忽略敏感属性
     */
    public PropertyPreExcludeFilter excludePropertyPreFilter(String[] excludeParamNames)
    {
        return new PropertyPreExcludeFilter().addExcludes(ArrayUtils.addAll(EXCLUDE_PROPERTIES, excludeParamNames));
    }

    /**
     * 判断是否需要过滤的对象。
     *
     * @param o 对象信息。
     * @return 如果是需要过滤的对象，则返回true；否则返回false。
     */
    @SuppressWarnings("rawtypes")
    public boolean isFilterObject(final Object o)
    {
        Class<?> clazz = o.getClass();
        if (clazz.isArray())
        {
            return clazz.getComponentType().isAssignableFrom(MultipartFile.class);
        }
        else if (Collection.class.isAssignableFrom(clazz))
        {
            Collection collection = (Collection) o;
            for (Object value : collection)
            {
                return value instanceof MultipartFile;
            }
        }
        else if (Map.class.isAssignableFrom(clazz))
        {
            Map map = (Map) o;
            for (Object value : map.entrySet())
            {
                Map.Entry entry = (Map.Entry) value;
                return entry.getValue() instanceof MultipartFile;
            }
        }
        return o instanceof MultipartFile || o instanceof HttpServletRequest || o instanceof HttpServletResponse
                || o instanceof BindingResult;
    }


}
